Home / 3,367.47-4,647.09-1,875.40

Finding the Fourth Proportional to 3,367.47, 4,647.09 and 1,875.40

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Solution

The fourth proportional to 3,367.47, 4,647.09 and 1,875.40 is: 2,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.47 : 4,647.09 = 1,875.40 : x
  2. Step 2: Convert to fraction form
    3,367.47/4,647.09 = 1,875.40/x
  3. Step 3: Cross multiply
    3,367.47x = 4,647.09 × 1,875.40
  4. Step 4: Simplify right side
    3,367.47x = 8,715,152.59
  5. Step 5: Solve for x
    x = 8,715,152.59/3,367.47
  6. Step 6: Final answer
    x = 2,588.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.